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6.37. Roof Ladder Details
1. Locate the roof panel containing the roof ladder components to the left or right of the inspection hatch, and
in line with the outside ladder.
2. Recommended (for convenience): Attach the roof ladder and a section of the outside ladder early, when the
roof section is at ground level.
3. Start at the bottom of the roof with the longest ladder rung supplied and move up the roof using
progressively shorter ladder rungs.
4. Bolt ladder rungs to the roof panel ribs using the pre-drilled holes in the ribs.
5. Use 5/16" x 1-1/4" hex bolts and hex nuts (bolts above and nuts underneath).
Note
Make sure that a STL/NEO sealing washer is installed between the ladder rung and the roof sheet.
Note
The ladder rung is oriented with the vertical portion facing up towards the peak ring. When a ladder
rung is located at a double hole pattern designed for a roof-ring element, bolt through the upper
holes and fill the other holes with a 1" hex bolt. No ladder rung is used at a roof-ring location. The
ring itself will serve as a step. This ladder rung can be discarded or saved for another job.
Figure 87.
Roof Ladder Details
Figure
14.
Roof
Ladder
Details
PEAK RING
5/16" X 1 1/4"
HEX BOLT
ROOF RINGS
INSPECTION
HATCH
STL/NEO
SEALING
WASHER
OUTSIDE LADDER
LADDER RUNG
EASYDRY® WIDE-CORR CENTURION® GRAIN BIN – GRAIN BIN DRYER